Svp aidez moi !!c est pour demain. 1-Claculer sin x et cos sachant que tan x = - √3 et x apparzient a ]pi /2 , pi[.
2-Claculer sin x et tan x sachant que
cos x = - √3 /5 et x appartient a ]-pi , -pi/2 [

Merci Milles fois ❤❤❤
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